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<title>GZip/BZip2 Tasks</title>
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<h2><a name="pack">GZip/BZip2</a></h2>
<h3>Description</h3>
<p>Packs a resource using the GZip or BZip2 algorithm.
The output file is only generated if it doesn't exist or the source
resource is newer.</p>
<h3>Parameters</h3>
<table border="1" cellpadding="2" cellspacing="0">
  <tr>
    <td valign="top"><b>Attribute</b></td>
    <td valign="top"><b>Description</b></td>
    <td align="center" valign="top"><b>Required</b></td>
  </tr>
  <tr>
    <td valign="top">src</td>
    <td valign="top">the file to gzip/bzip.</td>
    <td align="center" valign="top">Yes, or a nested resource collection.</td>
  </tr>
  <tr>
    <td valign="top">destfile</td>
    <td valign="top">the destination file to create.</td>
    <td align="center" valign="top" rowspan="2">Exactly one of the two.</td>
  </tr>
  <tr>
    <td valign="top">zipfile</td>
    <td valign="top">the <i>deprecated</i> old name of destfile.</td>
  </tr>
</table>
<h4>any <a href="../Types/resources.html">resource</a> or single element
resource collection</h4>

<p>The specified resource will be used as src. <em>Since Apache Ant 1.7</em></p>

<h3>Examples</h3>
<blockquote><pre>
&lt;gzip src=&quot;test.tar&quot; destfile=&quot;test.tar.gz&quot;/&gt;
</pre></blockquote>
<blockquote><pre>
&lt;bzip2 src=&quot;test.tar&quot; destfile=&quot;test.tar.bz2&quot;/&gt;
</pre></blockquote>
<blockquote><pre>
&lt;gzip destfile=&quot;archive.tar.gz&quot;&gt;
  &lt;url url="http://example.org/archive.tar"/&gt;
&lt;/gzip&gt;
</pre></blockquote>
<p>downloads <i>http://example.org/archive.tar</i> and compresses it
to <i>archive.tar.gz</i> in the project's basedir on the fly.</p>


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